摘要
根据杜儿坪矿北五盘区2#煤层62512工作面机轨巷布置的特点,并结合矿井实际,提出了几种不同的支护设计方案。通过数值模拟对比分析,确定了巷道的最佳支护方案,为窄小煤柱下大断面巷道支护技术的推广和应用积累了宝贵的经验。
According to the characteristics of the rail roadway layout of 62512 working face in north fifth area No. 2 coal seam of Du＇erping coal mine, and combines with mining practice, puts forward different supporting design schemes. Through numerical simulation, comparison and analysis, determines the optimal supporting scheme of the roadway, accumulated valuable experiences for promotion and application of large section roadway support technology under narrow coal pillar.
出处
《山西焦煤科技》
2013年第7期4-7,共4页
Shanxi Coking Coal Science & Technology
关键词
巷道支护
窄小煤柱
大断面
设计优化
Narrow coal pillar
Large section
Design optimization
